#define _CRT_SECURE_NO_WARNINGS 1
#include<cstdio>
#include<iostream>

using namespace std;

int main()
{
    double x;
    int cnt = 0;
    for (int i = 0; i < 6; i++)
    {
        cin >> x;
        if (x > 0)
        {
            ++cnt;
        }
    }
    cout << cnt << " positive numbers" << endl;
    return 0;
}